| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.net.pop3; |
| |
| /*** |
| * POP3Command stores POP3 command code constants. |
| * <p> |
| * <p> |
| * @author Daniel F. Savarese |
| ***/ |
| |
| public final class POP3Command |
| { |
| /*** Send user name. ***/ |
| public static final int USER = 0; |
| /*** Send password. ***/ |
| public static final int PASS = 1; |
| /*** Quit session. ***/ |
| public static final int QUIT = 2; |
| /*** Get status. ***/ |
| public static final int STAT = 3; |
| /*** List message(s). ***/ |
| public static final int LIST = 4; |
| /*** Retrieve message(s). ***/ |
| public static final int RETR = 5; |
| /*** Delete message(s). ***/ |
| public static final int DELE = 6; |
| /*** No operation. Used as a session keepalive. ***/ |
| public static final int NOOP = 7; |
| /*** Reset session. ***/ |
| public static final int RSET = 8; |
| /*** Authorization. ***/ |
| public static final int APOP = 9; |
| /*** Retrieve top number lines from message. ***/ |
| public static final int TOP = 10; |
| /*** List unique message identifier(s). ***/ |
| public static final int UIDL = 11; |
| |
| static final String[] _commands = { |
| "USER", "PASS", "QUIT", "STAT", "LIST", "RETR", "DELE", "NOOP", "RSET", |
| "APOP", "TOP", "UIDL" |
| }; |
| |
| // Cannot be instantiated. |
| private POP3Command() |
| {} |
| |
| /*** |
| * Get the POP3 protocol string command corresponding to a command code. |
| * <p> |
| * @return The POP3 protocol string command corresponding to a command code. |
| ***/ |
| public static final String getCommand(int command) |
| { |
| return _commands[command]; |
| } |
| } |